1. Which of the following types of heat transfer matches cooling by sweating?

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2. Which of the following phrases about heat transfer properties best matches the use of a plastic handle for a fryingpan?

good absorber of heat radiation

good conductor of heat

poor reflector of heat radiation

poor reflector of heat radiation

3. Which best describes what happens to the particles of water when it evaporates

They lose energy and lose freedom to move about

The higher kinetic energy particles increase their freedom to move without significant attraction

They gain energy and gain freedom to move about

They lose energy and escape into the atmosphere

4. Problems can arise with railway steel track from changes in temperature. Small gaps are left between each rail section to allow for changes in length. Which of the following is TRUE about the steel rails and change in temperature?

if no gap is made the rail can get longer becoming dangerously distorted

on average the rail track will contract more in the summer than the winter